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[in-ik-skyoo-zuh-buh l] /ˌɪn ɪkˈskyu zə bəl/
incapable of being excused or justified.
Origin of inexcusable
late Middle English
1375-1425; late Middle English < Latin inexcūsābilis; see in-3, excuse, -able
Related forms
inexcusability, inexcusableness, noun
inexcusably, adverb
unpardonable, unforgivable, intolerable. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for inexcusably
Contemporary Examples
Historical Examples
  • What have I to hope for from you when you treat a stranger so inexcusably?

    In Apple-Blossom Time

    Clara Louise Burnham
  • His nature, considering what a wife he has got, is inexcusably meek and patient.

  • It would be inexcusably foolish on my part to speak too plainly, just yet.

    The Fallen Leaves Wilkie Collins
  • He had all the air of one who has been grossly and inexcusably deceived.

    Mortmain Arthur Cheny Train
  • This afternoon you grossly and inexcusably insulted my daughter.

    The Guarded Heights Wadsworth Camp
  • I have inexcusably forgotten to speak of my father's personal appearance.

    The Legacy of Cain Wilkie Collins
  • Did he want to make her feel how inexcusably she had forgotten what was due to herself?

    Armadale Wilkie Collins
  • At the time I thought him inexcusably and brutally unkind to me.

    Armadale Wilkie Collins
  • "I am inexcusably awkward," he avowed with engaging contriteness.

    The Lighted Match Charles Neville Buck
British Dictionary definitions for inexcusably


not able to be excused or justified
Derived Forms
inexcusability, inexcusableness, noun
inexcusably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for inexcusably



early 15c., from Latin inexcusabilis, from in- "not, opposite of" (see in- (1)) + excusabilis, from excusare (see excuse). Related: Inexcusably.

Online Etymology Dictionary, © 2010 Douglas Harper
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